MAX2470-MAX2471 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2470-MAX2471 Datasheet PDF : 8 Pages
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10MHz to 500MHz VCO Buffer Amplifiers
with Differential Outputs
Typical Operating Characteristics (continued)
(VCC = +3.0V, MAX2470 output and MAX2471 input and output measurements taken differentially, TA = +25°C unless otherwise
noted.)
MAX2470
OUTPUT VSWR vs. FREQUENCY
1.50
HI/LO = VCC
INPUT TERMINATED IN 50Ω
SINGLE-ENDED MEASUREMENT
OUT
1.25
OUT
MAX2470
OUTPUT ISOLATION vs. FREQUENCY
90
HI/LO = VCC
80
SINGLE-ENDED
MEASUREMENT
70
OUT TO IN
60
OUT TO IN
50
MAX2471
OUTPUT POWER vs. INPUT POWER
2
0
-2
fIN = 200MHz
-4
fIN = 500MHz
-6
-8
40
-10
OUT TO OUT
30
INPUT TERMINATED IN 50Ω
-12
1.00
0
17.5
17.0
100 200 300 400 500
FREQUENCY (MHz)
MAX2471
DIFFERENTIAL TRANSDUCER
POWER GAIN vs. FREQUENCY
TA = +25°C
16.5
16.0
TA = +85°C
TA = -40°C
15.5
15.0
14.5
20
0
100 200 300 400 500
FREQUENCY (MHz)
MAX2471
NOISE FIGURE vs. FREQUENCY
8.50
-14
-30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10
INPUT POWER (dBm)
MAX2471
REAL INPUT IMPEDANCE vs. FREQUENCY
10,000
8.25
1000
8.00
100
7.75
7.50
10
14.0
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (MHz)
MAX2471
IMAGINARY INPUT IMPEDANCE
vs. FREQUENCY
500
7.25
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (MHz)
MAX2471
OUTPUT VSWR vs. FREQUENCY
1.50
INPUT TERMINATED
SINGLE-ENDED MEASUREMENT
1
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (MHz)
MAX2471
OUTPUT ISOLATION vs. FREQUENCY
90
SINGLE-ENDED
80
MEASUREMENT
0
VSWR OUT
1.25
VSWR OUT
-500
-1000
0
100 200 300 400 500
FREQUENCY (MHz)
1.00
0
100 200 300 400 500
FREQUENCY (MHz)
70
60
50
40
30
20
0
OUT TO IN
OUT TO OUT
INPUT TERMINATED IN 50Ω
100 200 300 400 500
FREQUENCY (MHz)
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